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493
Source/PHYInventory/Private/UI/ItemStacks/ItemStackContainer.cpp
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493
Source/PHYInventory/Private/UI/ItemStacks/ItemStackContainer.cpp
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//
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#include "UI/ItemStacks/ItemStackContainer.h"
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#include "CommonTabListWidgetBase.h"
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#include "GIS_InventoryFunctionLibrary.h"
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#include "GIS_InventorySystemComponent.h"
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#include "GIS_ItemCollection.h"
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#include "GIS_ItemSlotCollection.h"
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#include "ItemFilterInterface.h"
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#include "Async/GIS_AsyncAction_WaitInventorySystem.h"
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#include "Components/ListView.h"
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void UItemStackContainer::SetOwningActor_Implementation(AActor* NewOwningActor)
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{
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OwningActor = NewOwningActor;
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}
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void UItemStackContainer::OnDeactivated_Implementation()
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{
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IGUIS_UserWidgetInterface::OnDeactivated_Implementation();
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}
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void UItemStackContainer::HandleTabSelected(const FName TabId)
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{
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ApplyFilter(TabId);
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}
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void UItemStackContainer::HandleInventorySystemInitialized()
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{
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WaitInventorySystem = nullptr;
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if (OwningActor.IsValid())
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{
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InventorySystemComponent = UGIS_InventorySystemComponent::GetInventorySystemComponent(OwningActor.Get());
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if (InventorySystemComponent.IsValid())
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{
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// 订阅库存系统的消息
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InventorySystemComponent.Get()->OnInventoryStackUpdate.AddDynamic(this,&UItemStackContainer::HandleInventoryStackChanged);
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}
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if (FilterTabsReference)
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{
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FilterTabsReference.Get()->OnTabSelected.AddDynamic(this,&UItemStackContainer::HandleTabSelected);
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}
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// 创建默认的item data槽位
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CreateDefaultItemDataSlots();
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// 同步数据
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SyncAll();
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}
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}
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void UItemStackContainer::CreateDefaultItemDataSlots()
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{
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if (!InventorySystemComponent.IsValid()) return;
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UGIS_ItemCollection* OutCollection;
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// 从库存系统中获取集合，并添加到item data中
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if (InventorySystemComponent->FindTypedCollectionByTag(CollectionToTrackTag,UGIS_ItemSlotCollection::StaticClass(),OutCollection))
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{
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if (UGIS_ItemSlotCollection* SlotCollection = Cast<UGIS_ItemSlotCollection>(OutCollection))
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{
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const TArray<FGIS_ItemSlotDefinition>& Definitions = SlotCollection->GetMyDefinition()->GetSlotDefinitions();
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for (int i = 0; i < Definitions.Num(); ++i)
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{
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SetOrAddItemInfoToItemDataArray(FGIS_ItemInfo(),i);
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}
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for (int i = 0; i < ItemDataArray.Num(); ++i)
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{
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ItemDataArray[i]->SetItemSlotDefinition(Definitions[i]);
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}
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return;
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}
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}
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// 如果没有找到slot collection，则创建默认数量的item data槽位
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if (bCreateDefaultItemDataSlots)
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{
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for (int i = 0; i < DefaultItemDataSlotCount; ++i)
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{
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SetOrAddItemInfoToItemDataArray(FGIS_ItemInfo(),i);
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}
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}
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}
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void UItemStackContainer::OnActivated_Implementation()
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{
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// 注册list view events
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RegisterListViewEvents();
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OwningActor = Execute_GetOwningActor(this);
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if (OwningActor.IsValid())
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{
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WaitInventorySystem = UGIS_AsyncAction_WaitInventorySystemInitialized::WaitInventorySystemInitialized(this,OwningActor.Get());
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if (WaitInventorySystem)
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{
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WaitInventorySystem->OnCompleted.AddDynamic(this,&UItemStackContainer::HandleInventorySystemInitialized);
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}
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}
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}
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AActor* UItemStackContainer::GetOwningActor_Implementation()
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{
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if (!OwningActor.IsValid())
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{
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if (GetOwningPlayerPawn())
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{
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OwningActor = GetOwningPlayerPawn();
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}
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else
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{
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OwningActor = GetOwningPlayer();
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}
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}
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return OwningActor.Get();
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}
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void UItemStackContainer::AddFilterObject(UObject* InFilterObject)
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{
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if (InFilterObject && InFilterObject->Implements<UItemFilterInterface>())
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{
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ItemFilterObjects.AddUnique(InFilterObject);
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}
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}
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void UItemStackContainer::RemoveFilterObject(UObject* InFilterObject)
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{
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if (InFilterObject && InFilterObject->Implements<UItemFilterInterface>())
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{
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ItemFilterObjects.Remove(InFilterObject);
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}
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}
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void UItemStackContainer::SetSelectedIndexForNewItem(const int32 NewSelectedIndex)
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{
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SelectedIndexForNewItem = NewSelectedIndex;
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}
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bool UItemStackContainer::SwapItemDataSlots(const int32 IndexA, const int32 IndexB)
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{
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if (!CanMoveItem(IndexA,this,IndexB)) return false;
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if (ItemDataArray.IsValidIndex(IndexA) && ItemDataArray.IsValidIndex(IndexB))
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{
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// 缓存A的数据
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const UItemData* TempItemData = ItemDataArray[IndexA];
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const UItemData* TargetItemData = ItemDataArray[IndexB];
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// 缓存其中的数据
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TOptional<FGIS_ItemInfo> TempItemInfo = TempItemData ? TOptional<FGIS_ItemInfo>(TempItemData->GetItemInfo()) : TOptional<FGIS_ItemInfo>();
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// 交换数据
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if (TOptional<FGIS_ItemInfo> TempTargetItemInfo = TargetItemData ? TOptional<FGIS_ItemInfo>(TargetItemData->GetItemInfo()) : TOptional<FGIS_ItemInfo>(); TempTargetItemInfo.IsSet())
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{
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AssignItemInfoToItemData(TempTargetItemInfo.GetValue(), IndexA);
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}
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if (TempItemInfo.IsSet())
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{
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AssignItemInfoToItemData(TempItemInfo.GetValue(), IndexB);
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}
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LastDropIndex = IndexB;
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// 同步list view
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SyncItemDataToListView();
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return true;
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}
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return false;
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}
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bool UItemStackContainer::SwapItemDataToOtherContainer(const int32 SourceIndex, UItemStackContainer* TargetContainer,
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const int32 TargetIndex)
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{
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if (!TargetContainer) return false;
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if (!CanMoveItem(SourceIndex,TargetContainer,TargetIndex)) return false;
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if (ItemDataArray.IsValidIndex(SourceIndex) && TargetContainer->GetItemDataArray().IsValidIndex(TargetIndex))
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{
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// 缓存A的数据
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const UItemData* TempItemData = ItemDataArray[SourceIndex];
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const UItemData* TargetItemData = TargetContainer->GetItemDataArray()[TargetIndex];
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// 缓存其中的数据
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TOptional<FGIS_ItemInfo> TempItemInfo = TempItemData ? TOptional<FGIS_ItemInfo>(TempItemData->GetItemInfo()) : TOptional<FGIS_ItemInfo>();
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if (TOptional<FGIS_ItemInfo> TempTargetItemInfo = TargetItemData ? TOptional<FGIS_ItemInfo>(TargetItemData->GetItemInfo()) : TOptional<FGIS_ItemInfo>(); TempTargetItemInfo.IsSet())
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{
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AssignItemInfoToItemData(TempTargetItemInfo.GetValue(), SourceIndex);
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}
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if (TempItemInfo.IsSet())
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{
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TargetContainer->AssignItemInfoToItemData(TempItemInfo.GetValue(), TargetIndex);
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}
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TargetContainer->LastDropIndex = TargetIndex;
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// 同步list view
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SyncItemDataToListView();
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TargetContainer->SyncItemDataToListView();
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return true;
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}
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return false;
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}
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bool UItemStackContainer::CanMoveItem(const int32 IndexA,UItemStackContainer* TargetContainer,const int32 IndexB)
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{
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return true;
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}
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int32 UItemStackContainer::FindItemSlotIndex(const UItemData* InItemData) const
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{
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if (!InItemData) return INDEX_NONE;
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return ItemDataArray.IndexOfByKey(InItemData);
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}
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void UItemStackContainer::AssignItemInfoToItemData(const FGIS_ItemInfo& InInfo, const int32 SlotIndex)
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{
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if (ItemDataArray.IsValidIndex(SlotIndex))
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{
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if (UItemData* ItemData = ItemDataArray[SlotIndex])
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{
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ItemData->SetItemInfo(InInfo);
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}
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}
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}
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void UItemStackContainer::UnassignItemInfoToItemData(const FGIS_ItemInfo& InInfo)
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{
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if (const int32 Index = FindItemIndexFromDataByStackID(InInfo.StackId); Index != INDEX_NONE)
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{
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const FGIS_ItemInfo EmptyInfo;
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AssignItemInfoToItemData(EmptyInfo, Index);
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}
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}
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int32 UItemStackContainer::FindItemIndexFromDataByStackID(const FGuid& StackID) const
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{
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for (int32 Index = 0; Index < ItemDataArray.Num(); ++Index)
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{
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if (const UItemData* ItemData = ItemDataArray[Index])
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{
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if (ItemData->GetItemInfo().StackId == StackID)
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{
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return Index;
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}
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}
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}
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return INDEX_NONE;
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}
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TArray<FGIS_ItemInfo> UItemStackContainer::GetItemInfoArrayFromInventorySystem()
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{
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TArray<FGIS_ItemInfo> LocalItemInfos;
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if (InventorySystemComponent.IsValid())
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{
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if (CollectionToTrackTag.IsValid())
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{
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if (const UGIS_ItemCollection* ItemCollection = InventorySystemComponent.Get()->GetCollectionByTag(CollectionToTrackTag))
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{
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LocalItemInfos = ItemCollection->GetAllItemInfos();
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}
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}
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}
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if (LocalItemInfos.IsEmpty()) return LocalItemInfos;
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// 通过配置的name，和query 过滤
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if (ItemFilterMap.Num() > 0 && ItemFilterName.IsValid())
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{
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if (const FGameplayTagQuery* Query = ItemFilterMap.Find(ItemFilterName))
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{
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LocalItemInfos = UGIS_InventoryFunctionLibrary::FilterItemInfosByTagQuery(LocalItemInfos,*Query);
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}
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}
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// 通过Object过滤
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if (ItemFilterObjects.Num() > 0)
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{
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for (UObject* FilterObject : ItemFilterObjects)
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{
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if (FilterObject && FilterObject->Implements<UItemFilterInterface>())
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{
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LocalItemInfos = IItemFilterInterface::Execute_FilterItemInfo(FilterObject,LocalItemInfos);
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}
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}
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}
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return LocalItemInfos;
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}
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void UItemStackContainer::ResetItemDataArray()
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{
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for (UItemData* ItemData : ItemDataArray)
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{
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ItemData->Reset();
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}
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}
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void UItemStackContainer::SetOrAddItemInfoToItemDataArray(const FGIS_ItemInfo& InInfo, const int32 SlotIndex)
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{
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if (SlotIndex < 0)
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{
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return;
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}
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// 确保数组大小足够
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if (ItemDataArray.Num() <= SlotIndex)
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{
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ItemDataArray.SetNum(SlotIndex + 1);
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}
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// 确保该槽位有对象
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UItemData* ItemDataRef = ItemDataArray[SlotIndex];
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if (!ItemDataRef)
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{
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ItemDataRef = NewObject<UItemData>(this);
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}
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ItemDataRef->SetItemInfo(InInfo);
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}
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void UItemStackContainer::SyncItemInfoToItemDataArray(const TArray<FGIS_ItemInfo>& InItemInfos)
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{
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if (InventorySystemComponent.IsValid() && CollectionToTrackTag.IsValid())
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{
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// 获取集合,如果是slotted collection则根据slot来赋值
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if (const UGIS_ItemSlotCollection* SlotCollection = Cast<UGIS_ItemSlotCollection>(InventorySystemComponent->GetCollectionByTag(CollectionToTrackTag)))
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{
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for (int i = 0; i < InItemInfos.Num(); ++i)
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{
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const FGIS_ItemInfo& Info = InItemInfos[i];
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const int32 SlotIndex = SlotCollection->GetItemSlotIndex(Info.Item);
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SetOrAddItemInfoToItemDataArray(Info, SlotIndex == INDEX_NONE ? i : SlotIndex);
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}
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}
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else
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{
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// 如果是普通的集合，则直接按顺序赋值
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for (int i = 0; i < InItemInfos.Num(); ++i)
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{
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SetOrAddItemInfoToItemDataArray(InItemInfos[i], i);
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}
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}
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}
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}
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void UItemStackContainer::SyncItemDataToListView()
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{
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if (ItemListView == nullptr) return;
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ItemListView->ClearSelection();
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ItemListView->ClearListItems();
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ItemListView->SetListItems(ItemDataArray);
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ItemListView->RegenerateAllEntries();
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// 恢复上次拖拽的选中状态
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if (ItemDataArray.IsValidIndex(LastDropIndex) && LastDropIndex != INDEX_NONE)
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{
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ItemListView->SetSelectedItem(ItemDataArray[LastDropIndex]);
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LastDropIndex = INDEX_NONE;
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} else
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{
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// 默认选中第一个
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if (ItemDataArray.IsValidIndex(0) && ItemDataArray[0]->IsValidItem())
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{
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ItemListView->SetSelectedItem(ItemDataArray[0]);
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}
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}
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}
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int32 UItemStackContainer::FindSuitableItemDataSlotForNewItem()
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{
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if (SelectedIndexForNewItem == INDEX_NONE)
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{
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for (int i = 0; i < ItemDataArray.Num(); ++i)
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{
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if (const UItemData* ItemData = ItemDataArray[i])
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{
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if (!ItemData->IsValidItem())
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{
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return i;
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}
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}
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}
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return ItemDataArray.Num();
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}
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const int32 ReturnIndex = SelectedIndexForNewItem;
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SelectedIndexForNewItem = INDEX_NONE;
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return ReturnIndex;
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}
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void UItemStackContainer::SyncAll()
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{
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ResetItemDataArray();
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SyncItemInfoToItemDataArray(GetItemInfoArrayFromInventorySystem());
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SyncItemDataToListView();
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}
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void UItemStackContainer::ApplyFilter(const FName& InFilterName)
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{
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if (InFilterName.IsNone()) return;
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if (ItemFilterMap.Contains(InFilterName))
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{
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ItemFilterName = InFilterName;
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SyncAll();
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}
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}
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void UItemStackContainer::HandleItemSelectionChanged(UObject* Object) const
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{
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if (UItemData* SelectedItemData = Cast<UItemData>(Object))
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{
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OnItemSelectionChanged.Broadcast(SelectedItemData,true);
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return;
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}
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OnItemSelectionChanged.Broadcast(nullptr,false);
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}
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void UItemStackContainer::HandleItemHoveredChanged(UObject* Object, bool bIsHovered) const
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{
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if (UItemData* HoveredItemData = Cast<UItemData>(Object))
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{
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OnItemHoveredChanged.Broadcast(HoveredItemData,bIsHovered);
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}
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}
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void UItemStackContainer::HandleItemClicked(UObject* Object) const
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{
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if (UItemData* ClickedItemData = Cast<UItemData>(Object))
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{
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OnItemClicked.Broadcast(ClickedItemData);
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}
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}
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void UItemStackContainer::HandleListViewEntryWidgetGenerated(UUserWidget& UserWidget) const
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{
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OnItemEntryGenerated.Broadcast(&UserWidget);
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}
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void UItemStackContainer::HandleItemDoubleClicked(UObject* Object) const
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{
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if (UItemData* ClickedItemData = Cast<UItemData>(Object))
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{
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OnItemDoubleClicked.Broadcast(ClickedItemData);
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}
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}
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void UItemStackContainer::RegisterListViewEvents()
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{
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if (ItemListView)
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{
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// 注册事件
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ItemSelectionChangedHandle = ItemListView->OnItemSelectionChanged().AddUObject(this, &UItemStackContainer::HandleItemSelectionChanged);
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ItemHoveredChangedHandle = ItemListView->OnItemIsHoveredChanged().AddUObject(this, &UItemStackContainer::HandleItemHoveredChanged);
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ItemClickedHandle = ItemListView->OnItemClicked().AddUObject(this, &UItemStackContainer::HandleItemClicked);
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ListViewEntryWidgetGeneratedHandle = ItemListView->OnEntryWidgetGenerated().AddUObject(this, &UItemStackContainer::HandleListViewEntryWidgetGenerated);
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ItemDoubleClickedHandle = ItemListView->OnItemDoubleClicked().AddUObject(this, &UItemStackContainer::HandleItemDoubleClicked);
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}
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}
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void UItemStackContainer::UnregisterListViewEvents() const
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{
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if (ItemListView)
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{
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// 注销事件
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ItemListView->OnItemSelectionChanged().Remove(ItemSelectionChangedHandle);
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ItemListView->OnItemIsHoveredChanged().Remove(ItemHoveredChangedHandle);
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ItemListView->OnItemClicked().Remove(ItemClickedHandle);
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ItemListView->OnEntryWidgetGenerated().Remove(ListViewEntryWidgetGeneratedHandle);
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ItemListView->OnItemDoubleClicked().Remove(ItemDoubleClickedHandle);
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}
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}
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void UItemStackContainer::HandleInventoryStackChanged(const FGIS_InventoryStackUpdateMessage& Message)
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{
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if (const UGIS_InventorySystemComponent* Inventory = Message.Inventory)
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{
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// 仅处理关联的库存系统组件的消息
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if (!InventorySystemComponent.IsValid() && Inventory != InventorySystemComponent.Get()) return;
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// 获取集合
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if (UGIS_ItemCollection* ItemCollection = Inventory->GetCollectionById(Message.CollectionId))
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{
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// 仅处理配置的集合tag的消息
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if (ItemCollection->GetCollectionTag() != CollectionToTrackTag) return;
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FGIS_ItemInfo ChangedItemInfo = FGIS_ItemInfo(Message.Instance,Message.NewCount,ItemCollection,Message.StackId);
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switch (Message.ChangeType) {
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case EGIS_ItemStackChangeType::WasAdded:
|
||||
// 添加
|
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{
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const int32 SlotIndex = FindSuitableItemDataSlotForNewItem();
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SetOrAddItemInfoToItemDataArray(ChangedItemInfo, SlotIndex);
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}
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break;
|
||||
case EGIS_ItemStackChangeType::WasRemoved:
|
||||
// 移除
|
||||
{
|
||||
ChangedItemInfo.Amount = Message.NewCount - Message.Delta;
|
||||
UnassignItemInfoToItemData(ChangedItemInfo);
|
||||
}
|
||||
break;
|
||||
case EGIS_ItemStackChangeType::Changed:
|
||||
// 修改
|
||||
{
|
||||
if (const int32 ChangedIndex = FindItemIndexFromDataByStackID(Message.StackId); ChangedIndex != INDEX_NONE)
|
||||
{
|
||||
SetOrAddItemInfoToItemDataArray(ChangedItemInfo, ChangedIndex);
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
SyncItemDataToListView();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user